DE69907183T2 - Pilotpegelmessung und mehrstreckenübertragungszeitssucher für cdma-empfänger - Google Patents

Pilotpegelmessung und mehrstreckenübertragungszeitssucher für cdma-empfänger

Info

Publication number
DE69907183T2
DE69907183T2 DE69907183T DE69907183T DE69907183T2 DE 69907183 T2 DE69907183 T2 DE 69907183T2 DE 69907183 T DE69907183 T DE 69907183T DE 69907183 T DE69907183 T DE 69907183T DE 69907183 T2 DE69907183 T2 DE 69907183T2
Authority
DE
Germany
Prior art keywords
level measurement
pilot level
distance transfer
cdma receivers
transfer timer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69907183T
Other languages
English (en)
Other versions
DE69907183D1 (de
Inventor
Abdelfattah Sourour
Greg Bottomley
Rajaram Ramesh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ericsson Inc
Original Assignee
Ericsson Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ericsson Inc filed Critical Ericsson Inc
Application granted granted Critical
Publication of DE69907183D1 publication Critical patent/DE69907183D1/de
Publication of DE69907183T2 publication Critical patent/DE69907183T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/76—Pilot transmitters or receivers for control of transmission or for equalising
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/318—Received signal strength
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
DE69907183T 1998-06-12 1999-06-11 Pilotpegelmessung und mehrstreckenübertragungszeitssucher für cdma-empfänger Expired - Lifetime DE69907183T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/096,960 US6157820A (en) 1998-06-12 1998-06-12 Pilot strength measurement and multipath delay searcher for CDMA receiver
PCT/US1999/013026 WO1999065157A2 (en) 1998-06-12 1999-06-11 Pilot strength measurement and multipath delay searcher for cdma receiver

Publications (2)

Publication Number Publication Date
DE69907183D1 DE69907183D1 (de) 2003-05-28
DE69907183T2 true DE69907183T2 (de) 2003-10-30

Family

ID=22259961

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69907183T Expired - Lifetime DE69907183T2 (de) 1998-06-12 1999-06-11 Pilotpegelmessung und mehrstreckenübertragungszeitssucher für cdma-empfänger

Country Status (15)

Country Link
US (1) US6157820A (de)
EP (1) EP1084538B1 (de)
JP (1) JP4425467B2 (de)
KR (1) KR100668204B1 (de)
CN (1) CN1178411C (de)
AU (1) AU754056B2 (de)
BR (1) BR9911166B1 (de)
CA (1) CA2333723C (de)
DE (1) DE69907183T2 (de)
EE (1) EE200000746A (de)
HK (1) HK1040468B (de)
ID (1) ID30268A (de)
IL (2) IL140080A0 (de)
NO (1) NO20006273D0 (de)
WO (1) WO1999065157A2 (de)

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US20040072553A1 (en) * 2002-09-20 2004-04-15 Xiaohui Wang Methods, systems, and computer program products for selecting delay positions for a RAKE receiver by adjusting the delay positions based on comparisons of signal to interference ratios and/or powers for multi-path signals over time
US20040066841A1 (en) * 2002-09-23 2004-04-08 Elias Jonsson Systems, methods of operating, and computer program products for selecting delays for a rake receiver based on signal to interference ratios and/or powers
JP2006514470A (ja) * 2003-02-22 2006-04-27 テレフォンアクチーボラゲット エル エム エリクソン（パブル） 電力推定のための装置及び方法
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US8599972B2 (en) * 2004-06-16 2013-12-03 Telefonaktiebolaget L M Ericsson (Publ) SIR estimation in a wireless receiver
US7773950B2 (en) 2004-06-16 2010-08-10 Telefonaktiebolaget Lm Ericsson (Publ) Benign interference suppression for received signal quality estimation
EP1647418B1 (de) 2004-10-13 2012-06-27 Nsk Ltd. Nabeneinheit mit Radträger und Lagerring, und Verfahren zur Herstellung der Nabeneinheit
DE602004009456T2 (de) * 2004-10-26 2008-07-24 Alcatel Lucent Durchführung von zusätzlichen Leistungsmessungen zwecks Weiterleitung in einem WLAN
US8666387B2 (en) * 2004-12-30 2014-03-04 Samsung Electronics Co., Ltd. Apparatus and method for determining transmit signal parameters using real-time channel measurements
KR100594086B1 (ko) 2005-01-04 2006-06-30 삼성전자주식회사 채널 추정을 위한 적응적 파일럿 할당 방법 및 장치
US7019691B1 (en) 2005-04-07 2006-03-28 Pctel,Maryland, Inc. Method and apparatus for beacon discovery in a spread spectrum cellular radio communication system
US8594151B2 (en) * 2005-10-31 2013-11-26 Nokia Corporation Pilot sequence detection
US8396141B2 (en) * 2005-11-29 2013-03-12 Telefonaktiebolaget L M Ericsson (Publ) Efficient cell selection
KR101319115B1 (ko) * 2006-01-27 2013-10-17 톰슨 라이센싱 다중 해상도/다중 경로 검색기의 방법 및 장치
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US8244174B1 (en) * 2006-11-15 2012-08-14 The Board Of Trustees Of The Leland Stanford Junior University System for mobile station positioning
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Also Published As

Publication number Publication date
CA2333723C (en) 2009-02-10
KR100668204B1 (ko) 2007-01-11
EP1084538A2 (de) 2001-03-21
AU5082299A (en) 1999-12-30
JP2002518873A (ja) 2002-06-25
HK1040468B (zh) 2005-07-22
CA2333723A1 (en) 1999-12-16
BR9911166A (pt) 2001-03-27
JP4425467B2 (ja) 2010-03-03
WO1999065157A3 (en) 2000-02-24
AU754056B2 (en) 2002-10-31
IL140080A (en) 2006-10-31
IL140080A0 (en) 2002-02-10
EP1084538B1 (de) 2003-04-23
KR20010072601A (ko) 2001-07-31
CN1178411C (zh) 2004-12-01
NO20006273L (no) 2000-12-11
CN1312986A (zh) 2001-09-12
BR9911166B1 (pt) 2013-12-03
HK1040468A1 (en) 2002-06-07
DE69907183D1 (de) 2003-05-28
WO1999065157A2 (en) 1999-12-16
NO20006273D0 (no) 2000-12-11
EE200000746A (et) 2002-04-15
ID30268A (id) 2001-11-15
US6157820A (en) 2000-12-05

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Legal Events

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